p-Toluenesulfonic acid → HCID 20367191、化合物

HRID 1605731ノート

反応式

HRID 1605731 の反応式
[Cl:1][C:2]1[CH:10]=[CH:9][C:5]([CH2:6][NH:7][NH2:8])=[CH:4][C:3]=1[C:11]([F:14])([F:13])[F:12].C([O:17][C:18](=O)[CH:19]=[C:20]([NH2:24])OCC)C.C1(C)C=CC(S(O)(=O)=O)=CC=1>C(O)C>[NH2:24][C:20]1[NH:8][N:7]([CH2:6][C:5]2[CH:9]=[CH:10][C:2]([Cl:1])=[C:3]([C:11]([F:12])([F:13])[F:14])[CH:4]=2)[C:18](=[O:17])[CH:19]=1

参加物

5

反応物 3

HCID 6101p-Toluenesulfonic acidHCID 278451beta-Aminobeta-ethoxyacrylic acid ethyl esterHCID 23334257(4-Chloro-3-(trifluoromethyl)benzyl)hydrazine

生成物 1

HCID 20367191HCID 20367191、化合物

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

67 g of 4-chloro-3-trifluoromethylbenzylhydrazine were added dropwise, under nitrogen, to a solution of 46.1 g of β-amino-β-ethoxyacrylic acid ethyl ester and 2 g of p-toluenesulphonic acid in 250 ml of ethanol. After stirring overnight, the solvent was distilled off in vacuo and the residue, which solidified, was filtered off and recrystallised from ethanol. The product was the compound identified above. Melting point: 132°, 25 g(30%).

後処理

  1. distillationthe solvent was distilled off in vacuo
  2. filtrationwas filtered off
  3. customrecrystallised from ethanol

出典と根拠

ORDレコード
ord-4525e44290d2430da1da1d641d8d2233
出典データセット
uspto-grants-1976_04
特許番号
US03950528

反応ノート

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